30
Forerunner 310XT Owner’s Manual
Settings
Data
Field
Description
HR–Lap
%HRR**
Average percentage
of heart rate reserve
(maximum heart rate
minus resting heart
rate) for the lap.
HR Graph
**
Line graph showing
your current heart rate
zone (1-5).
HR Zone
**
Current range of heart
rate (1–5). The default
zones are based on
your user profile,
maximum heart rate,
and resting heart rate.
Heading
Current direction you
are traveling.
Laps
Amount of laps
completed.
Pace *
Current pace.
Pace–Avg
*
Average pace for the
run.
Data
Field
Description
Pace–Lap
*
Average pace in the
current lap.
Speed *
Current speed.
Speed–
Avg *
Average speed for
the run.
Speed–
Nautical
Speed in Knots.
Speed–
Lap *
Average speed in the
current lap.
Power ** Current power output
in watts or % FTP.
Power-
Avg **
Average power output
for the duration of
your current ride.
Power-
Kilojoules
**
Total (cumulative)
amount of power
output in kilojoules.
Power-
Lap **
Average power output
in the current lap.
